Simplify the Expression: a+b-(2c+b) Step by Step

a+b−(2c+b)=? a+b-(2c+b)=\text{?}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Note that when multiplying negative by positive, the result is always negative:
00:19 Let's group the factors
00:28 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

a+b−(2c+b)=? a+b-(2c+b)=\text{?}

2

Step-by-step solution

First, we open the parentheses and change the sign accordingly.

Since there are only positive numbers inside the parentheses, multiplying by negative will give us negative numbers:

a+b−2c−b= a+b-2c-b=

Now we group the b factors:

b−b=0 b-b=0

Now we obtain:

a−2c a-2c

3

Final Answer

a−2c a-2c

Practice Quiz

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\( 100-(5+55)= \)

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